Ahmedabad /New Delhi, Sept 17 (ANI): Security agencies cast a tight security net around Ahmedabad where on Wednesday Chinese President Xi Jinping will begin his three-day India visit aimed at allaying suspicions and boosting ties.The Gujarat government is leaving no stone unturned for grand welcome for Xi who arrives on the day when Prime Minister Narendra Modi is also marking his 64th birthday.Security personnel were deployed across the city and security was especially tight on the roads leading up to the airport in Ahmedabad. Meanwhile, security arrangements were also tightened in New Delhi to foil any protests or attempts at self immolations by the Tibetan activists, police said.